lot of antique furniture casters with white ironstone porcelain wheels

Lot of nine assorted iron furniture casters with white ironstone porcelain wheels for restoration or repair. There are:

Three that measures about 1 5/8" across the wheels and about 4" high;

Three that measure about 1 1/2" across the wheels and 3 1/2" high (one of the porcelain wheels has chips to the inside of the hub); and three that are about 1 1/4" across the wheels and 2 3/4" high (one of the porcelain wheels has chips to the inside of the hub).

These have rust to the iron.